121425200445 has 8 divisors (see below), whose sum is σ = 194280320736. Its totient is φ = 64760106896.

The previous prime is 121425200381. The next prime is 121425200459. The reversal of 121425200445 is 544002524121.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 121425200445 - 2⁶ = 121425200381 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4047506667 + ... + 4047506696.

It is an arithmetic number, because the mean of its divisors is an integer number (24285040092).

Almost surely, 2^121425200445 is an apocalyptic number.

121425200445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

121425200445 is a deficient number, since it is larger than the sum of its proper divisors (72855120291).

121425200445 is an equidigital number, since it uses as much as digits as its factorization.

121425200445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8095013371.

The product of its (nonzero) digits is 12800, while the sum is 30.

Adding to 121425200445 its reverse (544002524121), we get a palindrome (665427724566).

The spelling of 121425200445 in words is "one hundred twenty-one billion, four hundred twenty-five million, two hundred thousand, four hundred forty-five".